期刊
PHYSICAL REVIEW LETTERS
卷 117, 期 13, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.117.133902
关键词
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资金
- European Research Council StG [277767-TDMET]
- VKR center of excellence QUSCOPE
- Alexander von Humboldt Foundation through the Feodor Lynen Program
- Villum Fonden [00007335] Funding Source: researchfish
We present a general theory of bicircular high-order-harmonic generation from N-fold rotationally symmetric molecules. Using a rotating frame of reference we predict the complete structure of the high-order-harmonic spectra for arbitrary driving frequency ratios and show how molecular symmetries can be directly identified from the harmonic signal. Our findings reveal that a characteristic fingerprint of rotational molecular symmetries can be universally observed in the ultrafast response of molecules to strong bicircular fields.
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